\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{High-skilled/Low-skilled Workers (log)}
\begin{tabular}{l*{8}{c}}
\toprule
                    &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}&\multicolumn{1}{c}{(5)}&\multicolumn{1}{c}{(6)}&\multicolumn{1}{c}{(7)}&\multicolumn{1}{c}{(8)}\\
                    &\multicolumn{1}{c}{High-skilled/Low-skilled Workers (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Workers (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Workers (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Workers (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Workers (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Workers (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Workers (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Workers (log)}\\
                    &        b/se   &        b/se   &        b/se   &        b/se   &        b/se   &        b/se   &        b/se   &        b/se   \\
\midrule
above               &       0.141*  &       0.122   &       0.390** &       0.020   &       0.283** &      -0.091   &       0.217** &       0.032   \\
                    &     (0.085)   &     (0.124)   &     (0.174)   &     (0.149)   &     (0.113)   &     (0.123)   &     (0.108)   &     (0.132)   \\
\midrule
N                   &      12,634   &       4,469   &       3,609   &       4,556   &       8,006   &       4,628   &       9,043   &       3,591   \\
\bottomrule
\end{tabular}
\end{table}
\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{High-skilled/Low-skilled Women (log)}
\begin{tabular}{l*{8}{c}}
\toprule
                    &\multicolumn{1}{c}{High-skilled/Low-skilled Women (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Women (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Women (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Women (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Women (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Women (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Women (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Women (log)}\\
                    &        b/se   &        b/se   &        b/se   &        b/se   &        b/se   &        b/se   &        b/se   &        b/se   \\
\midrule
above               &       0.141   &       0.106   &       0.467** &      -0.000   &       0.213   &       0.079   &       0.203   &       0.057   \\
                    &     (0.099)   &     (0.155)   &     (0.200)   &     (0.168)   &     (0.140)   &     (0.128)   &     (0.139)   &     (0.126)   \\
\midrule
N                   &       9,704   &       3,146   &       2,777   &       3,781   &       6,061   &       3,643   &       6,776   &       2,928   \\
\bottomrule
\end{tabular}
\end{table}
\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{High-skilled/Low-skilled Men (log)}
\begin{tabular}{l*{8}{c}}
\toprule
                    &\multicolumn{1}{c}{High-skilled/Low-skilled Men (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Men (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Men (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Men (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Men (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Men (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Men (log)}&\multicolumn{1}{c}{High-skilled/Low-skilled Men (log)}\\
                    &        b/se   &        b/se   &        b/se   &        b/se   &        b/se   &        b/se   &        b/se   &        b/se   \\
\midrule
above               &       0.100   &      -0.017   &       0.206   &       0.214   &       0.200** &      -0.079   &       0.170*  &       0.004   \\
                    &     (0.079)   &     (0.119)   &     (0.162)   &     (0.136)   &     (0.100)   &     (0.130)   &     (0.095)   &     (0.140)   \\
\midrule
N                   &      11,645   &       4,099   &       3,308   &       4,238   &       7,115   &       4,530   &       8,060   &       3,585   \\
\bottomrule
\end{tabular}
\end{table}
